package com.zhangjk.util;

import java.text.SimpleDateFormat;
import java.util.UUID;

/**
 * Created by zhangjk on 2019/4/21.
 */
public class GetUuIdUtil {
    public static String getUidCode(){
        String uuid = UUID.randomUUID().toString().replaceAll("-", "");
        String str=uuid.substring(uuid.length()-12,uuid.length());
       return str;
    }

    public static String getDataString(){
return null;
    }
}
